Senior Software Engineer - Top Secret Clearance Required
Lockheed Martin
King Of Prussia, PA, 19406, USA
King Of Prussia, PA, 19406, USA
- IT
- Full-time
- Senior Software Engineer
- Top Secret clearance
- Kubernetes
The Senior Software Engineer role at Lockheed Martin Space focuses on developing, deploying, and maintaining web applications and containerized environments using Agile methodologies within a mission-critical space domain. The position requires expertise in programming languages, DevSecOps practices, container orchestration tools like Kubernetes, and collaboration with cross-functional teams. A Top Secret security clearance and U.S. citizenship are mandatory due to the classified nature of the work.
Job ID: 707236BR
Date posted: Jan. 09, 2026
Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future.
At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity.
Join us in shaping a new era in space and find a career that's built for you.
Within LM Space, the Black Canyon Program is looking for a highly motivated individual to join the program area as a Senior Software Engineer to support the development team. As part of an Agile team, you will have the opportunity to work on a variety of tasks in various areas across the mission and collaborate with the development teams, customers, and subject matter experts.
If you are looking for a challenging, collaborative, fast paced environment then this is the position for you.
Note: This position requires a government security clearance, US citizenship is a requirement for consideration.
In this position you will:
Serve as a software developer on an Agile team developing web applications in an open architecture infrastructure to serve in an exciting new mission space.
Leverage industry standard open-source software solutions such as GitLab, Kubernetes, Docker, or similar platforms/products.
Maintain Kubernetes clusters, create and automate deployment of containers using Helm, and support agile development teams by developing and maintaining tools, pipelines, scripts, and environments.
Participate in daily scrums, software sprint/release planning, demos, and retrospectives.
Develop & demonstrate software capabilities to both internal and external partners.
Basic Qualifications:
Experienced in software development using at least one of the following programming or scripting languages: Java, JavaScript, C, C#, Python
Experience working in an Agile development environment, including tools such as Jira and Confluence
Must have an current, active Top Secret clearance
Desired Skills:
• Full development lifecycle experience
• Experience with the frameworks .NET Core and Angular
• Experience working as a member of an Agile Scrum or Kanban team
• Experience with databases (PostgreSQL & Redis)
• Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools
• Experience will cloud native development (Docker, Kubernetes, Helm)
• Experience with containerization and container management tools (e.g. Docker, Kubernetes)
• Experience with DevSecOps
• Experience with Git, JIRA, Confluence
• Ability to communicate effectively and work in a collaborative environment
• Familiarity with the Space Domain
• Experience producing quality documentation
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.
With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.
If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Software Engineering
Type: Full-Time
Shift: First
Date posted: Jan. 09, 2026
Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future.
At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We're erasing boundaries and forming partnerships across industries and around the world. We're advancing spacecraft and the workforce to fuel the next generation. And we're reimagining how space can connect us, ensuring security and prosperity.
Join us in shaping a new era in space and find a career that's built for you.
Within LM Space, the Black Canyon Program is looking for a highly motivated individual to join the program area as a Senior Software Engineer to support the development team. As part of an Agile team, you will have the opportunity to work on a variety of tasks in various areas across the mission and collaborate with the development teams, customers, and subject matter experts.
If you are looking for a challenging, collaborative, fast paced environment then this is the position for you.
Note: This position requires a government security clearance, US citizenship is a requirement for consideration.
In this position you will:
Serve as a software developer on an Agile team developing web applications in an open architecture infrastructure to serve in an exciting new mission space.
Leverage industry standard open-source software solutions such as GitLab, Kubernetes, Docker, or similar platforms/products.
Maintain Kubernetes clusters, create and automate deployment of containers using Helm, and support agile development teams by developing and maintaining tools, pipelines, scripts, and environments.
Participate in daily scrums, software sprint/release planning, demos, and retrospectives.
Develop & demonstrate software capabilities to both internal and external partners.
Basic Qualifications:
Experienced in software development using at least one of the following programming or scripting languages: Java, JavaScript, C, C#, Python
Experience working in an Agile development environment, including tools such as Jira and Confluence
Must have an current, active Top Secret clearance
Desired Skills:
• Full development lifecycle experience
• Experience with the frameworks .NET Core and Angular
• Experience working as a member of an Agile Scrum or Kanban team
• Experience with databases (PostgreSQL & Redis)
• Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools
• Experience will cloud native development (Docker, Kubernetes, Helm)
• Experience with containerization and container management tools (e.g. Docker, Kubernetes)
• Experience with DevSecOps
• Experience with Git, JIRA, Confluence
• Ability to communicate effectively and work in a collaborative environment
• Familiarity with the Space Domain
• Experience producing quality documentation
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: TS/SCI
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 9x80 every other Friday off
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.
With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.
If this sounds like a culture you connect with, you're invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Software Engineering
Type: Full-Time
Shift: First
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